| R1 Air | |||||
|---|---|---|---|---|---|
| HEAD CIRCUMFERENCE (cm) | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 |
| HELMET SIZE | S | M | L | XL | 2XL |
| SHELL SIZE | M | L | |||
| EPS SIZE | S | M | L | ||
| COMFORT LINER | S | M | L, XL, 2XL | ||
| CHEEK PAD SIZES | S-35mm, M-30mm | L-40mm, XL-35mm, 2XL-30mm | |||
| CHEEK PAD RANGE | SM-MD 35MM, SM-MD 30MM, LG-2X 40MM, LG-2X 35MM, LG-2X 30MM | ||||